TY  - RPRT
TI  - Impaired left ventricular function in chronic aortic valve disease: survival and function after replacement by Björk-Shiley prosthesis.
AU  - F Schwarz
AU  - W Flameng
AU  - F Langebartels
AU  - M Sesto
AU  - P Walter
AU  - M Schlepper
PY  - 1979
DO  - 10.1161/01.cir.60.1.48
UR  - https://pubmed.ncbi.nlm.nih.gov/445734/
ID  - 445734
ER  -